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Egyptian Dermatology Online Journal is copyright Mohamed Hany El-Tonsy, MD andArthur C Huntley, MD. Egyptian Dermatology Online Journal has copyright forthe electronic version of all of the material within the Journal, otherwisecopyright of the material is retained by the respective author(s).The material contained in this Journal is intended for free use for the purposes of medical education. Articles may be electronically reproduced in full with thepermission of the Editor.